Many observers argue that political polarization, particularly on social and cultural issues, has increased in the United States. How does this influence the political competition on economic issues? We analyze this question using a framework in which two officemotivated candidates differ in...

One of the most widely discussed phenomena in American politics today is the perceived increasing partisan divide that splits the U.S. electorate. A contested question is whether this diagnosis is actually true and, if so, what the underlying cause might be. We propose a new method that...

We introduce a model of electoral competition with office-motivated candidates who are exogenously committed to particular positions on some issues, while they choose positions for the remaining issues. A position is majority-efficient if a candidate cannot make a majority of the electorate...

We develop a model in which profits of media firms depend on their audience ratings, and maximizing profits may involve catering to a partisan audience by suppressing information that the partisan audience does not like hearing. While voters are rational, understand the nature of the news...

This paper analyses a model in which two groups repeatedly compete with each other for a prize in every time period. We assume that there is a status quo bias: if there is a fight today, yesterday's winner is in a stronger position than the other group. Hence, a change of the status quo has...

We analyze a model in which agents have to make a binary choice under incomplete information about the state of the world, but also care about coordination with other agents who have the same problem. In some of these situations, the larger the share choosing the same alternative, the better off...